Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Posterior circulation infarct
Introduction
A Posterior Circulation Infarct (POCI) is a type of ischemic stroke affecting the posterior circulation supplying one side of the brain.
Posterior Circulation Stroke Syndrome (POCS) refers to the symptoms of a patient who clinically appears to have suffered from a posterior circulation infarct, but who has not yet had any diagnostic imaging (e.g. CT Scan) to confirm the diagnosis.
It can cause the following symptoms:
- Cranial nerve palsy AND contralateral motor/sensory defect
- Bilateral motor or sensory defect
- Eye movement problems
- Cerebellar dysfunction
- Isolated homonymous hemianopia
For more information, see stroke.
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